Polyester based Radius/Fillet Compound with a proven track record for use both up against the gel-coat (above the water line applications) and as a general purpose gap filling fillet compound. This material is manufactured with superior polyester polymer, fillers, and reinforcement fibers. PR-600-PMMN is formulated to be low shrink and low have a low exotherm to minimize heat distortion issues. This product can be hand mixed/hand applied, and it has also been successfully used when pumped through standard putty dispensing equipment. PR-600-PMMN compound can be laminated wet on wet or can be allowed to cure and then laminated. It will become an integral part of the laminate.